Kalyazin climate — normals and trends
Kalyazin (Russia) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 4.4 °C and it receives 657 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is July (18.2 °C on average) and the coldest is January (-9.6 °C). Rainfall peaks in July.
Kalyazin averages 161 frost days, 2 hot days (≥ 30 °C) and 136 rainy days per year.
Kalyazin has warmed by +2.9 °C between 1940 and 2025, or +0.34 °C per decade. This trend is statistically significant.
The number of frost days there went from about 175 to 147 per year over the period.
The hottest day of the period reached 36.6 °C (on 7 August 2010) and the coldest -45.2 °C (on 16 January 1940).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
KalyazinTver Oblast
- coords
- 57.24°, 37.83°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
4.4°C
Average daily high
7.9°C
Average daily low
0.7°C
Annual rainfall
657mm
Sunshine / day
6.7h
Mean relative humidity
79%
Average peak wind
17.5km/h
Seasonal range
27.8°C
Frost days (< 0 °C)
161 d/yr
Hot days (≥ 30 °C)
2 d/yr
Rainy days (≥ 1 mm)
136 d/yr
Annual snowfall
132.6 cm
Average feels-like high
4.7 °C
Average feels-like low
-2.9 °C
Average peak gust
34.8 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
9.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.9 °C
since 1940
+0.3 °C per decade · r² = 0.46 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
36.6 °C
7 August 2010
Coldest day
-45.2 °C
16 January 1940
Wettest day
68 mm
6 July 1965
Windiest day
45.3 km/h
13 November 1983
Strongest gust
94.3 km/h
30 November 1974
Hottest feels-like
39.5 °C
7 August 2010
Coldest feels-like
-50.3 °C
16 January 1940
Snowiest day
24.9 cm
28 September 1993
Sunniest day
17.0 h
23 June 1940
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 0.7 °C | +7.7 °C | 49 mm | +12 mm |
| Feb | -2.7 °C | +2.9 °C | 11 mm | -22 mm |
| Mar | 6.7 °C | +6.4 °C | 44 mm | +9 mm |
| Apr | 11.2 °C | +2.2 °C | 45 mm | +4 mm |
| May | 17.0 °C | +0.6 °C | 81 mm | +20 mm |
| Jun | 19.8 °C | -0.6 °C | 123 mm | +49 mm |
| Jul | 25.6 °C | +3.1 °C | 94 mm | +10 mm |
| Aug | 20.3 °C | -0.4 °C | 99 mm | +23 mm |
| Sep | 17.5 °C | +2.8 °C | 17 mm | -46 mm |
| Oct | 8.5 °C | +1.4 °C | 58 mm | -3 mm |
| Nov | 4.4 °C | +4.4 °C | 67 mm | +18 mm |
| Dec | -0.2 °C | +4.1 °C | 51 mm | +6 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Kalyazin?
Kalyazin has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 4.4 °C and it receives 657 mm of precipitation per year.
What is the hottest day ever recorded in Kalyazin?
The hottest day measured in Kalyazin between 1940 and 2025 was 7 August 2010, reaching 36.6 °C.
What is the coldest day in Kalyazin?
The coldest day measured in Kalyazin between 1940 and 2025 was 16 January 1940, at -45.2 °C.
Does it snow in Kalyazin?
Yes. Kalyazin gets on average 132.6 cm of snow per year and has around 161 frost days.
Has the climate of Kalyazin warmed?
Yes: Kalyazin warmed by +2.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Kalyazin?
The wettest day measured in Kalyazin between 1940 and 2025 was 6 July 1965, with 68 mm of rain in 24 hours.
What was the windiest day in Kalyazin?
The windiest day measured in Kalyazin between 1940 and 2025 was 13 November 1983, with winds reaching 45.3 km/h.
What is the warmest month in Kalyazin?
The warmest month in Kalyazin is July (18.2 °C on average); the coldest is January (-9.6 °C).
How much does it rain in Kalyazin?
Kalyazin receives on average 657 mm of precipitation per year, spread over about 136 rainy days.
Is it sunny in Kalyazin?
Kalyazin gets on average 6.7 hours of sunshine per day, roughly 2,446 hours per year over 1940-2025.
What is the biggest single-day snowfall in Kalyazin?
The heaviest 24-hour snowfall measured in Kalyazin between 1940 and 2025 was 28 September 1993, with 24.9 cm.
Are there tropical nights in Kalyazin?
Yes: Kalyazin has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Kalyazin?
In Kalyazin, between 1940 and 2025, the highest apparent temperature reached 39.5 °C on 7 August 2010, and the lowest was -50.3 °C on 16 January 1940.
Compare Kalyazin with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Kalyazin